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| author | Peter Maydell <peter.maydell@linaro.org> | 2011-04-14 14:11:56 +0100 |
|---|---|---|
| committer | Edgar E. Iglesias <edgar.iglesias@gmail.com> | 2011-04-14 17:31:47 +0200 |
| commit | 420b6c317de87890e06225de6e2f8af7bf714df0 (patch) | |
| tree | 3cbbae13610ae4451a7020ebe945affd6b51d839 /tests | |
| parent | 4d9ad7f793605abd9806fc932b3e04e028894565 (diff) | |
| download | qemu-420b6c317de87890e06225de6e2f8af7bf714df0.zip qemu-420b6c317de87890e06225de6e2f8af7bf714df0.tar.gz qemu-420b6c317de87890e06225de6e2f8af7bf714df0.tar.bz2 | |
tests/test-mmap.c: Check mmap() return value before using it
Correct the position of a "stop if MAP_FAILED" check in the mmap()
tests, so that if mmap() does fail we print a failure message
rather than segfaulting inside memcpy().
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/test-mmap.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/tests/test-mmap.c b/tests/test-mmap.c index fcb365f..c578e25 100644 --- a/tests/test-mmap.c +++ b/tests/test-mmap.c @@ -164,6 +164,7 @@ void check_aligned_anonymous_unfixed_colliding_mmaps(void) nlen = pagesize * 8; p3 = mmap(NULL, nlen, PROT_READ, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); + fail_unless (p3 != MAP_FAILED); /* Check if the mmaped areas collide. */ if (p3 < p2 @@ -174,7 +175,6 @@ void check_aligned_anonymous_unfixed_colliding_mmaps(void) /* Make sure we get pages aligned with the pagesize. The target expects this. */ - fail_unless (p3 != MAP_FAILED); p = (uintptr_t) p3; fail_unless ((p & pagemask) == 0); munmap (p2, pagesize); |